Passive House certified

At Bildau & Bussmann NZ, we’re passionate about making the world a more sustainable place. That's why we supply passive house windows throughout New Zealand. They’re designed to reduce your carbon footprint, save money on your energy bills, and make your home comfortable year-round.

To give you a quality guarantee, we’re proud to say that our Linea Passiva windows are certified by Passivhaus Institut Deutschland (PHI). What does this mean for you?  It ensures that you have the best energy efficient windows, they have been tested and meet the stringent PHI requirements. They provide superior insulation, sound proofing and comfort, all while keeping your home secure and protected from the elements.